package com.dcy.command.demo;

/**
 * @Author：dcy
 * @Description:
 * @Date: 2021/1/26 8:42
 */
public class LightReceiver {
    public void on(){
        System.out.println("电灯打开了");
    }

    public void off(){
        System.out.println("电灯关闭了");
    }
}
